Thank you. Yes, miraheze is a good option, and they specifically allowed such games to create wikis. The problem is they're absolutely free of profit, they pay for hosting because they're so generous. The wiki will get deleted if nobody will contribute to it and just occupies the space, and, judging by how it was going until now, contributors are not appearing. But it's an option.
Viewing post in Fandom wiki is considering closing Tales of Androgyny wiki
That's a valid concern and I did miss the https://meta.miraheze.org/wiki/Dormancy_Policy but looking at it now there is whole section on exemptions from those rules, specifically for read-only oriented wikis, with a whole list https://meta.miraheze.org/wiki/Dormancy_Policy/Exemptions ; looking at them (there are some game wikis and even an eroge one), if asked nicely, ToA wiki definitely makes a valid case for an indefinite exemptio